- `output_image` (string) - The name of the output artifact. Defaults to name. - `container_name` (string) - Container Name - `command_wrapper` (string) - Lets you prefix all builder commands, such as with ssh for a remote build host. Defaults to `{{.Command}}`; i.e. no wrapper. - `profile` (string) - Profile - `init_sleep` (string) - The number of seconds to sleep between launching the LXD instance and provisioning it; defaults to 3 seconds. - `publish_properties` (map[string]string) - Pass key values to the publish step to be set as properties on the output image. This is most helpful to set the description, but can be used to set anything needed. See https://stgraber.org/2016/03/30/lxd-2-0-image-management-512/ for more properties. - `launch_config` (map[string]string) - List of key/value pairs you wish to pass to lxc launch via --config. Defaults to empty.